What should I do if there is no sound after win7 reinstalling the system?

What should I do if there is no sound after Win7 reinstalls the system?

Method 1:

1. Check if the driver is normal

Right click on My Computer, then select Properties, Hardware, and then open Device Manager. Look at the yellow question mark icon inside, if any, the sound card driver is not installed successfully or is disabled.

2, install the upgrade driver

If the driver is not installed, you can download a driver master, scan the driver and then re-install.

Method 2:

1. Set the sound related properties, first enter the control panel —— sound options, there should be a device like a speaker under the play tab, double click to open the properties Window, in the level tab, the button to keep the speaker is normal, as shown below.

2. Similarly, if there is no sound in the microphone, go to the level column in the recording tab and keep the sound icon in the normal state.